mr.anderson bought some books for 3 dollars each and a few pens for 4 dollara each. his total cost was 60 dollars. he ended up w
ith double the number of books than pens when he finished shopping. how many of each did he end up with
1 answer:
Answer:
Step-by-step explanation:
b and p are the number of books and pens, respectively.
“books for 3 dollars each and pens for 4 dollars each. total cost was 60 dollars“
3b + 4p = 60
“he ended up with double the number of books than pens”
b = 2p
3(2p) + 4p = 60
10p = 60
p = 6
b = 2p = 12
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yes verified
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2x-y+1=0
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Assuming that in the last part of the statement says pencils instead of dollars:
20 pencils for $1.60
1.60 /20 = 0.08 per pencil
For 35 pencils:
0.08 x 35 = $2.8